Cruise Director Beverley is having trouble keeping the entertainment team in line, but their onboard bickering is as nothing to what happens ashore when the ship docks in balmy Barcelona.

A murderer strikes in the shadow of the majestic Sagrada Familia cathedral, but who has the skills to kill in this very particular way – and what is their motive?

Crooner Jack and First Officer Kate uncover a mystery of concealed identities that stretches back to the assassination of a Russian oligarch.

Finally, at a moving musical tribute to a fallen friend, are Jack and Kate also saying goodbye to their chance of happiness together?